NANO MATERIALS & TECHNOLOGY

1.1- What is Nanotechnology?

• The design, characterization, and application of structures, devices, and systems by controlled manipulation of size and shape of materials at the nanometer scale (atomic, molecular, and macromolecular scale) ,

• To produce materials with at least one novel/superior characteristic or property.

CLASSIFICATION

• There are different classification of nanostructures in nanotechnology. the most popular mode of namostructureClassification is according to their dimension on the nano scale which is of the order of afew neno meters(1-100nm).in a last one dimension

• nanostructures can be described as zero-dimensional(0D),onedimensional(1D),tow-dimensional(2D),three-dimensional(3D) nano material•

Applications of Nanotechnology: General Applications

Examples Application

Diagnostics, Drug delivery, Tissue engineering, Cryonics

Medicine

Memory storage, Novel semiconductor devices, Novel optoelectronic devices, Displays, Quantum computers

Information and communication

Aerospace, Catalysis, Catalysis, Construction Vehicle manufacturers

Heavy Industry

Foods, Household, Optics, Textiles, Cosmetics, Sports

Consumer goods

Environment

Environmental Applications

Examples Application

Photocatalyst consisting of silica Nanosprings coated with a combination of titanium dioxide

Carbon capture

Pollutants sensors that able to detect lower limits with low cost

Sensors

Heavy metal decontaminant removes heavy metals such as lead, cadmium, nickel, zinc, copper, manganese and cobalt in a neutral pH environment without using any form of sulphur.

Remediation (decontamination, oil spill management)

Veolia Water Solutions & Technologies' ceramic membrane modules, utilizing the CeraMem technology platform, can be supplied with a variety of inorganic microfiltration and ultrafiltration membranes.

Wastewater treatment

Heat distribution e.g. ceramic-like materials  that provide sufficient reliability and durability of the entire structure

Energy

Drinking water purification

Advantages of Nanotechnology

• Protects drugs from being degraded in the body before they reach their target.

• Enhances the absorption of drugs into tumors and into the cancerous cells themselves.

• Allows for better control over the timing and distribution of drugs to the tissue, making it easier for oncologists to assess how well they work.

• Prevent drugs from interacting with normal cells, thus avoiding side effects.

Disadvantages of Nanotechnology

• Atomic weapons can now be more accessible and made to be more powerful and more destructive. These can also become more accessible with nanotechnology.

• Since these particles are very small, problems can actually arise from the inhalation of these minute particles, much like the problems a person gets from inhaling minute asbestos particles.

• Presently, nanotechnology is very expensive and developing it can cost you a lot of money. It is also pretty difficult to manufacture, which is probably why products made with nanotechnology are more expensive.

THANK YOU